CVE-2025-21785
Description
In the Linux kernel, the following vulnerability has been resolved: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array The loop that detects/populates cache information already has a bounds check on the array size but does not account for cache levels with separate data/instructions cache. Fix this by incrementing the index for any populated leaf (instead of any populated level).
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Affected | โ |
AlmaLinux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | kernel-rt-modules-extra-4.18.0-553.46.1.rt7.387.el8_10.x86_64.rpm |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.12.16-1 |
| sid | Fixed | 6.12.16-1 |
| forky | Fixed | 6.12.16-1 |
| bullseye | Fixed | 5.10.237-1 |
| bookworm | Fixed | 6.1.129-1 |
Red Hat Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | โ |
| 8 | Fixed | โ |
Rocky Linux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | โ |
References
- https://access.redhat.com/errata/RHSA-2025:3208
- https://errata.rockylinux.org/RLSA-2025:3264
- https://errata.rockylinux.org/RLSA-2025:3260
- https://www.suse.com/security/cve/CVE-2025-21785.html
- https://security-tracker.debian.org/tracker/CVE-2025-21785
- https://access.redhat.com/errata/RHSA-2025:3260
- https://bugzilla.redhat.com/2348630
- https://errata.almalinux.org/8/ALSA-2025-3260.html
- https://access.redhat.com/errata/RHSA-2025:3264
- https://errata.almalinux.org/8/ALSA-2025-3264.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.